Troy-Bilt's TB230 21-inch lawn mower is equipped with the TriAction® cutting system that features a rake bumper to lift grass upright, a specially designed blade for a finer mulch and a symmetrical deck for superior grass flow, eliminating clumping. With its easy-to-operate variable speed front wheel drive transmission, rear high wheels that are perfect for uneven terrain, a high-performance Briggs & Stratton® engine, and 3-in-1 capability to mulch, side discharge or bag, the TB230 lawn mower allows you to get all your yardwork done quickly and easily.